Union County, New Jersey
E50171
Union County, New Jersey is a densely populated county in northeastern New Jersey that includes cities such as Elizabeth and Plainfield and forms part of the New York City metropolitan area.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Union County, New Jersey canonical | 216 |
| Union County | 4 |
| Union County, New Jersey (parts) | 1 |
| Union County, New Jersey municipalities | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T318206 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Union County, New Jersey Context triple: [Hudson County, New Jersey, borders, Union County, New Jersey]
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A.
Middlesex County, New Jersey
Middlesex County, New Jersey is a central New Jersey county known for its diverse suburban communities, major transportation corridors, and institutions like Rutgers University.
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B.
Hudson County, New Jersey
Hudson County, New Jersey is a densely populated urban county in northeastern New Jersey, directly across the Hudson River from Manhattan and part of the New York metropolitan area.
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C.
Bergen County, New Jersey
Bergen County, New Jersey is a populous county in the northeastern corner of the state, part of the New York City metropolitan area and known for its suburban communities and proximity to Manhattan.
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D.
Somerset County, New Jersey
Somerset County, New Jersey is a suburban county in north-central New Jersey known for its affluent communities, historic sites, and role as part of the New York City metropolitan area.
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E.
Cape May County
Cape May County is the southernmost county in New Jersey, known for its historic seaside resorts, beaches, and coastal tourism.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Union County, New Jersey Target entity description: Union County, New Jersey is a densely populated county in northeastern New Jersey that includes cities such as Elizabeth and Plainfield and forms part of the New York City metropolitan area.
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A.
Middlesex County, New Jersey
Middlesex County, New Jersey is a central New Jersey county known for its diverse suburban communities, major transportation corridors, and institutions like Rutgers University.
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B.
Hudson County, New Jersey
Hudson County, New Jersey is a densely populated urban county in northeastern New Jersey, directly across the Hudson River from Manhattan and part of the New York metropolitan area.
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C.
Bergen County, New Jersey
Bergen County, New Jersey is a populous county in the northeastern corner of the state, part of the New York City metropolitan area and known for its suburban communities and proximity to Manhattan.
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D.
Somerset County, New Jersey
Somerset County, New Jersey is a suburban county in north-central New Jersey known for its affluent communities, historic sites, and role as part of the New York City metropolitan area.
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E.
Cape May County
Cape May County is the southernmost county in New Jersey, known for its historic seaside resorts, beaches, and coastal tourism.
- F. None of above. chosen
Statements (48)
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Union County, New Jersey Description of subject: Union County, New Jersey is a densely populated county in northeastern New Jersey that includes cities such as Elizabeth and Plainfield and forms part of the New York City metropolitan area.
Referenced by (222)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Union County, New Jersey
subject linked to:
Essex County, New Jersey, United States
linked to: Union County, New Jersey
subject linked to:
10th congressional district of New Jersey
linked to: Union County, New Jersey
linked to: Union County, New Jersey
subject linked to:
Summit, New Jersey, United States
subject linked to:
Summit, New Jersey, United States
subject linked to:
Plainfield, New Jersey, United States
subject linked to:
Plainfield, New Jersey, United States
subject linked to:
Plainfield, New Jersey, United States
linked to: Union County, New Jersey
subject linked to:
Berkeley Heights, New Jersey, United States
subject linked to:
County Route 514
subject linked to:
County Route 514
subject linked to:
Essex County